Table 2.

One-way ANOVA—intragroup comparison of SBS

(I) Specimen label	(J) Specimen label	Mean difference (I – J)	Standard error	Significance	95% Confidence interval
					Lower bound	Upper bound
Group I	Group II	−1.32900	2.15239	0.989	−7.6882	5.0302
	Group III	6.47300*	2.15239	0.044	0.1138	12.8322
	Group IV	8.82300*	2.15239	0.002	2.4638	15.1822
	Group V	0.05800	2.15239	1.000	−6.3012	6.4172
	Group VI	−5.88800	2.15239	0.085	−12.2472	0.4712
Group II	Group I	1.32900	2.15239	0.989	−5.0302	7.6882
	Group III	7.80200*	2.15239	0.008	1.4428	14.1612
	Group IV	10.15200*	2.15239	0.000	3.7928	16.5112
	Group V	1.38700	2.15239	0.987	−4.9722	7.7462
	Group VI	−4.55900	2.15239	0.294	−10.9182	1.8002
Group III	Group I	−6.47300*	2.15239	0.044	−12.8322	−0.1138
	Group II	−7.80200*	2.15239	0.008	−14.1612	−1.4428
	Group IV	2.35000	2.15239	0.883	−4.0092	8.7092
	Group V	−6.41500*	2.15239	0.047	−12.7742	−0.0558
	Group VI	−12.36100*	2.15239	0.000	−18.7202	−6.0018
Group IV	Group I	−8.82300*	2.15239	0.002	−15.1822	−2.4638
	Group II	−10.15200*	2.15239	0.000	−16.5112	−3.7928
	Group III	−2.35000	2.15239	0.883	−8.7092	4.0092
	Group V	−8.76500*	2.15239	0.002	−15.1242	−2.4058
	Group VI	−14.71100*	2.15239	0.000	−21.0702	−8.3518
Group V	Group I	−0.05800	2.15239	1.000	−6.4172	6.3012
	Group II	−1.38700	2.15239	0.987	−7.7462	4.9722
	Group III	6.41500*	2.15239	0.047	0.0558	12.7742
	Group IV	8.76500*	2.15239	0.002	2.4058	15.1242
	Group VI	−5.94600	2.15239	0.080	−12.3052	0.4132
Group VI	Group I	5.88800	2.15239	0.085	−0.4712	12.2472
	Group II	4.55900	2.15239	0.294	−1.8002	10.9182
	Group III	12.36100*	2.15239	0.000	6.0018	18.7202
	Group IV	14.71100*	2.15239	0.000	8.3518	21.0702
	Group V	5.94600	2.15239	0.080	−0.4132	12.3052

*, denotes significant mean difference with p < 0.05